Add Umbrel in Self-hosting Solutions

README.md

@@ -1584,6 +1584,7 @@ _Related: [Booking and Scheduling](#booking-and-scheduling)_
 - [sovereign](https://github.com/sovereign/sovereign) - Set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more. `GPL-3.0` `YAML/Other`
 - [Syncloud](https://syncloud.org/) - Your own online file storage, social network or email server. ([Source Code](https://github.com/syncloud/platform)) `GPL-3.0` `Python/Other`
 - [UBOS](https://ubos.net/) - Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features. `GPL-3.0` `Perl/Other`
+- [Umbrel](https://getumbrel.com/) - A beautiful personal server OS for Raspberry Pi or any Linux distro for running self-hosted apps, especially focusing on crypto. ([Source Code](https://github.com/getumbrel/umbrel)) `PolyForm Noncommercial License 1.0.0` `NodeJS/Docker`
 - [WikiSuite](https://wikisuite.org) - The most comprehensive and integrated Free / Libre / Open Source enterprise software suite. ([Source Code](https://wikisuite.org/Source-Code)) `GPL-3.0/LGPL-2.1/Apache-2.0/MPL-2.0/MPL-1.1/MIT/AGPL-3.0` `ClearOS`
 - [xsrv](https://xsrv.readthedocs.io/) - Install and manage self-hosted services/applications, on your own server(s). ([Source Code](https://github.com/nodiscc/xsrv)) `GPL-3.0` `Shell/Ansible`
 - [YunoHost](https://yunohost.org/) - Server operating system aiming to make self-hosting accessible to everyone. ([Demo](https://yunohost.org/#/try), [Source Code](https://github.com/YunoHost)) `AGPL-3.0` `Python/Other`